Optimizing MPI One Sided Communication on Multi-core InfiniBand Clusters using Shared Memory Backed Windows

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Provided by: The Ohio Society of CPAs
Topic: Storage
Format: PDF
The Message Passing Interface (MPI) has been very popular for programming parallel scientific applications. As the multi-core architectures have become prevalent, a major question that has emerged about the use of MPI within a compute node and its impact on communication costs. The one-sided communication interface in MPI provides a mechanism to reduce communication costs by removing matching requirements of the send/receive model. The MPI standard provides the flexibility to allocate memory windows backed by shared memory.
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